The comparative analysis about rotational error separation with three-point method and approximate three-point method

摘要

This paper has contrasted the separation accuracy of three-point method and approximate three-point method in rotational error. And further analysis the sensitivity of the sensor installation error by two different measurement methods. Simulation results show that the separation accuracy in both roundness error and rotational error by three-point method is higher than two-point method. Approximate three-point method in roundness error separation is more complete than rotational error. So it only can be considered for special occasions.